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Re: [Qemu-trivial] [PATCH] opts: fix NULL pointer derefernce in get_opt_


From: Mike Krinkin
Subject: Re: [Qemu-trivial] [PATCH] opts: fix NULL pointer derefernce in get_opt_value
Date: Mon, 16 Jul 2018 19:50:32 +0100

On Mon, Jul 16, 2018 at 7:47 PM Daniel P. Berrange <address@hidden> wrote:
On Mon, Jul 16, 2018 at 06:41:46PM +0100, Mike Krinkin wrote:
> The value argument can be NULL, for example, in hw/i386/multiboot.c
> in the load_multiboot function get_opt_value is explicitly called
> with NULL as the second argument.
>
> The problem was introduced in commit 950c4e6c94b1 ("opts: don't
> silently truncate long option values"). This change fixes the
> problem by adding a check whether the value is NULL or not.
>
> Signed-off-by: Mike Krinkin <address@hidden>
> ---
>  util/qemu-option.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

This problem is fixed in this:

  https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg01490.html

but it is still waiting for i386 maintainers to respond....

Thanks for the update, I searched through the archive briefly but didn't find this fix, sorry for the noise and please ignore this path.
 

Regards,
Daniel
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